/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.je.bpm.engine.impl.bpmn.behavior;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;

import java.util.ArrayList;
import java.util.List;

/**
 * Parent class for all BPMN 2.0 task types such as ServiceTask, ScriptTask, UserTask, etc.
 * 所有BPMN 2.0任务类型（如ServiceTask、ScriptTask、UserTask等）的父类。
 * When used on its own, it behaves just as a pass-through activity.
 * 单独使用时，它的行为就像传递活动。
 */
public class TaskActivityBehavior extends AbstractBpmnActivityBehavior {

    private static final long serialVersionUID = 1L;

    protected String getActiveValue(String originalValue, String propertyName, ObjectNode taskElementProperties) {
        String activeValue = originalValue;
        if (taskElementProperties != null) {
            JsonNode overrideValueNode = taskElementProperties.get(propertyName);
            if (overrideValueNode != null) {
                if (overrideValueNode.isNull()) {
                    activeValue = null;
                } else {
                    activeValue = overrideValueNode.asText();
                }
            }
        }
        return activeValue;
    }

    protected List<String> getActiveValueList(List<String> originalValues, String propertyName, ObjectNode taskElementProperties) {
        List<String> activeValues = originalValues;
        if (taskElementProperties != null) {
            JsonNode overrideValuesNode = taskElementProperties.get(propertyName);
            if (overrideValuesNode != null) {
                if (overrideValuesNode.isNull() || !overrideValuesNode.isArray() || overrideValuesNode.size() == 0) {
                    activeValues = null;
                } else {
                    activeValues = new ArrayList();
                    for (JsonNode valueNode : overrideValuesNode) {
                        activeValues.add(valueNode.asText());
                    }
                }
            }
        }
        return activeValues;
    }
}
